A valve in a cylinder has a cross sectional area of 2 in2 with a pressure of

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A valve in a cylinder has a cross sectional area of 2 in2 with a pressure of 100 psia inside the cylinder and 14.7 psia outside. How large a force is needed to open the valve?

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Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

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Question Posted: Nov 22, 2009 12:29 AM

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A valve in a cylinder has a cross sectional area of 2 in2 with a pressure of

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